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Like rings on a tree, coral exoskeletons grow in layers, helping paleoclimatologists learn about weather trends and phenomena from as many as 500 years ago. When exposed to a synchrotron – one of the world’s most powerful X-ray machines – in a Stanford University lab, the coral’s secrets become even more pronounced, revealing weather patterns and ocean temperatures down to the week, and giving researchers a highly detailed and accurate look at weather over several centuries past.
Producer: Jason Jaacks
Website: Deep Look
Journey deep into the Philippine forest in search of the world’s largest, rarest eagle
What does an AI make of what it sees in a contemporary art museum?
Fairness and equality
How the first woman of colour to be elected to the US Congress remade education
History of ideas
Tantra is, and was, a subversive philosophy of feminine power
Rituals and celebrations
From roaring fire and molten glass an artist creates a healing ritual
Ecology and environmental sciences
Producing food while restoring the planet – a glimpse of farming in the future
Ancient Greek sculptures were colourful. Why does the white marble ideal persist?
From zero to 5,000 – music and visuals express 30 years of exoplanet discoveries
We all play by economic rules set by men. What could a feminist economics look like?